The interference joint system consists of an integral bell and spigot. The spigot end has a buttress type, male thread for easy installation. The belled end contains the mating female threads. The tapered buttress threads make it easy to join while giving it a high pull out strength of 1,000 lbs. The joint is concrete tight but not water tight.
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Part #

Item Name

Brand

Nominal Size

Average Outside Diameter

Inside Diameter [Min]

Nominal Wall Thickness

Quantity Add to Quote
25D-SW-20-I N/A 2 1/2 Inch (in) Nominal Size Standard Wall ID Aboveground Straight Conduit with Interference Joint N/A Champion Fiberglass®, Inc. N/A 2 1/2 in64 mm N/A 2.640 in67 mm N/A 2.52 in64 mm N/A 0.070 in2 mm Add to Quote
60B-SW-20-I N/A 6 Inch (in) Nominal Size Standard Wall ID Belowground Straight Conduit with Interference Joint N/A Champion Fiberglass®, Inc. N/A 6 in152 mm N/A 6.140 in156 mm N/A 6.000 in152 mm N/A 0.070 in2 mm Add to Quote
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